607  
WHUS52 KCHS 212257  
SMWCHS  
AMZ362-220030-  
/O.NEW.KCHS.MA.W.0039.260621T2257Z-260622T0030Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE CHARLESTON SC  
657 PM EDT SUN JUN 21 2026  
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM...  
 
* UNTIL 830 PM EDT.  
 
* AT 657 PM EDT, A STRONG THUNDERSTORM WAS LOCATED 10 NM NORTHWEST OF  
CALIBOGUE SOUND, MOVING EAST AT 10 KNOTS.  
 
HAZARD...WIND GUSTS TO 34 KNOTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
* LOCATIONS IMPACTED INCLUDE...  
FRIPP ISLAND WRECK, FRIPP ISLAND REEF, HUNTING ISLAND REEF, FRIPP  
INLET BUOY, SAINT HELENA SOUND, PELICAN BANK, BEAUFORT 45 FEET  
REEF, GENERAL GORDON, PORT ROYAL SOUND, PARRIS ISLAND REEF, EDISTO  
SIXTY REEF, FISH AMERICA AND CALIBOGUE SOUND.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.  
 

 
 
LAT...LON 3210 8089 3217 8075 3221 8071 3227 8078  
3232 8076 3234 8069 3230 8060 3234 8047  
3238 8046 3246 8051 3251 8049 3253 8044  
3251 8040 3252 8033 3250 8030 3248 8033  
3234 8002 3223 8005 3222 8010 3213 8016  
TIME...MOT...LOC 2257Z 264DEG 12KT 3225 8092  
 
MAX HAIL SIZE...0.00 IN  
MAX WIND GUST...34 KTS  
 

 
 
CPM  
 
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